Weather on October 16 at Isle Royale
Isle Royale National Park
Based on 50 years of data from Houghton, MI
Planning Your Visit
October 16th in Isle Royale National Park (via Houghton, MI) typically brings cool fall weather, with average highs around 50°F and lows near 36°F. Over 50 years of records, the warmest October 16th was in 1998 (56°F average), while the coldest was 2009 (31°F) — a 25°F range across recorded history. Precipitation has occurred on 56% of recorded October 16th dates, with snow falling 6% of the time (heaviest snowfall: 4.6"). Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for October 16th in Isle Royale? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 57°F | 37°F | 0.15" | -- |
| 2024 | 57°F | 27°F | 0" | -- |
| 2023 | 46°F | 42°F | 0" | -- |
| 2022 | 44°F | 36°F | 0.71" | -- |
| 2021 | 54°F | 46°F | 0.43" | -- |
| 2020 | 40°F | 32°F | 0.3" | -- |
| 2019 | 47°F | 36°F | 0.41" | -- |
| 2018 | 47°F | 35°F | 0.03" | -- |
| 2017 | 55°F | 32°F | 0" | -- |
| 2016 | 59°F | 42°F | 0" | -- |
| 2015 | 39°F | 33°F | 0.05" | -- |
| 2014 | 53°F | 31°F | 0" | -- |
| 2013 | 45°F | 30°F | 0.03" | -- |
| 2012 | 51°F | 37°F | 1.6" | -- |
| 2011 | 48°F | 42°F | 0.03" | -- |
| 2010 | 60°F | 39°F | 0" | -- |
| 2009 | 38°F | 24°F | 0.18" | -- |
| 2008 | 47°F | 31°F | 0" | -- |
| 2007 | 49°F | 46°F | 1.7" | -- |
| 2006 | 47°F | 31°F | 1.19" | -- |
| 2005 | 51°F | 39°F | 0" | -- |
| 2004 | 36°F | 32°F | 1.32" | -- |
| 2003 | 46°F | 36°F | 0" | -- |
| 2002 | 40°F | 25°F | 0.03" | 0" |
| 2001 | 50°F | 38°F | 0.36" | 0" |
| 2000 | 51°F | 37°F | 0" | 0" |
| 1999 | 56°F | 48°F | 0.94" | 0" |
| 1998 | 63°F | 50°F | 0.08" | 0" |
| 1997 | 53°F | 30°F | 0" | 0" |
| 1996 | 72°F | 39°F | 0" | 0" |
| 1995 | 51°F | 39°F | 0" | 0" |
| 1994 | 58°F | 48°F | 0" | 0" |
| 1993 | 46°F | 35°F | 0.03" | 0" |
| 1992 | 36°F | 30°F | 1.14" | 4.6" |
| 1991 | 70°F | 28°F | 0.03" | 0" |
| 1990 | 56°F | 41°F | 0.2" | 0" |
| 1989 | 41°F | 31°F | 0.1" | 0.2" |
| 1988 | 56°F | 48°F | 1.57" | 0" |
| 1983 | 52°F | 43°F | 0" | 0" |
| 1981 | 59°F | 33°F | 0" | 0" |
| 1980 | 51°F | 33°F | 0.36" | 0" |
| 1979 | 61°F | 34°F | 0" | 0" |
| 1978 | 43°F | 32°F | 0" | 0" |
| 1977 | 46°F | 33°F | 0" | 0" |
| 1976 | 35°F | 28°F | 0.56" | 1.7" |
| 1975 | 43°F | 32°F | 0" | 0" |
| 1974 | 49°F | 41°F | 0.25" | 0" |
| 1973 | 43°F | 38°F | 0" | 0" |
| 1972 | 47°F | 29°F | 0" | 0" |
| 1971 | 48°F | 40°F | 0.1" | 0" |